[Qemu-devel] [RFC PATCH v4 02/14] trace: [tracetool] Do not rebuild event list in backend code

[Harsh Prateek Bora <harsh@linux.vnet.ibm.com>]

From: Lluís Vilanova <vilanova@ac.upc.edu>

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
---
 scripts/tracetool.py |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/scripts/tracetool.py b/scripts/tracetool.py
index 079ec7a..274fa70 100755
--- a/scripts/tracetool.py
+++ b/scripts/tracetool.py
@@ -257,8 +257,7 @@ def ust_c(events):
 #undef inline
 #undef wmb
 #include "trace.h"'''
-    eventlist = list(events)
-    for event in eventlist:
+    for event in events:
         argnames = event.argnames
         if event.argc > 0:
             argnames = ', ' + event.argnames
@@ -290,7 +289,7 @@ static void ust_%(name)s_probe(%(args)s)
     print '''
 static void __attribute__((constructor)) trace_init(void)
 {'''
-    for event in eventlist:
+    for event in events:
         print '    register_trace_ust_%(name)s(ust_%(name)s_probe);' % {
     'name': event.name
 }
@@ -435,13 +434,15 @@ class Event(object):
 # Generator that yields Event objects given a trace-events file object
 def read_events(fobj):
     event_num = 0
+    res = []
     for line in fobj:
         if not line.strip():
             continue
         if line.lstrip().startswith('#'):
 	    continue
-        yield Event(event_num, line)
+        res.append(Event(event_num, line))
         event_num += 1
+    return res
 
 binary = ""
 probeprefix = ""
-- 
1.7.1.1